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WorksheetsDental Assisting Quiz 2 (Chapter 12-32)
Total questions: 98
Worksheet time: 49mins
Which of the following is a small, benign, cauliflower-shaped tumor caused by a virus?
Basal cell carcinoma
Papilloma
Nodule
Sarcoma
Molds and yeasts are examples of which type of microorganism?
Algae
Viruses
Fungi
Protozoa
Which bacterial infection involves the inflammation of the tissue covering the brain and spinal cord?
Meningitis
Tuberculosis
Tetanus
Diphtheria
Which of the following represents the correct order of the chain of infection?
Infectious agent, reservoir, portal of exit, mode of transmission, portal of entry, susceptible host
Susceptible host, infectious agent, portal of entry, reservoir, portal of exit, mode of transmission
Portal of entry, infectious agent, reservoir, mode of transmission, susceptible host, portal of exit
Infectious agent, susceptible host, reservoir, portal of entry, mode of transmission, portal of exit
Under standard precautions, which patients are treated as if they are potentially infectious?
All patients
Patients who fail a screening test
Patients with HIV
Patients with hepatitis
Which of the following is NOT recommended while washing your hands?
Leave jewelry on
Wash in a downward motion
Dry hands with a paper towel
Use a paper towel to turn off the faucet
Which process involves removing all microbes from surfaces?
Disinfection
Cleansing
Anaphylaxis
Sterilization
Which of the following is the most common method of sterilization in the dental office?
Steam autoclave sterilization
Liquid chemical sterilization
Dry heat sterilization
Chemical vapor sterilization
Objects that are capable of slicing, cutting, or puncturing the skin are known as which of the following?
Sharps
Nonregulated waste
Cutters
Personal protective equipment
Scrap dental amalgam is considered hazardous waste because it contains which substance?
Lead
Mercury
Glutaraldehyde
Silver nitrate
Which number in the red section of the National Fire Protection Association Label indicates a highly flammable gas or liquid?
4
0
2
3
Which route of administration involves injecting the drug beneath the skin?
Subcutaneous administration
Intravenous administration
Oral administration
Sublingual administration
Which drug is associated with oral cancers, pulling away of gingiva from the teeth, and decay of exposed tooth roots?
Cocaine
Alcohol
Caffeine
Smokeless tobacco
Which class of drugs relieves and controls pain?
Analgesics
Diuretics
Antibiotics
Decongestants
Which of the following is the most common site to palpate pulse?
Carotid artery
Brachial artery
Femoral artery
Radial artery
Normal blood pressure is which of the following (systolic/diastolic)?
<130/90 mm Hg
<120/80 mm Hg
<125/85 mm Hg
<110/70 mm Hg
Which artery is the blood pressure cuff normally placed over?
Femoral artery
Brachial artery
Radial artery
Carotid artery
What does the "A" in the "ABCDs" of life support stand for?
AED
Ambulance
Airway
Axillary
The best way to keep good posture through the day is to use the ________ position.
Anatomic
Trendelenburg
Neutral
Fowler
Which of the following should you NOT do when lifting a heavy object?
Squat or kneel on one knee
Keep your back relaxed so the lower back is slightly curved
Keep the object at arm's length
Use the leg muscles to push yourself up to a standing position
Which instrument is used to measure the depth of the sulcus, the narrow furrow between the gingiva and the teeth?
Explorer
Radiograph
Periodontal probe
Dental mirror
A ________ caries involves two tooth surfaces.
Complex
Compound
Simple
Basic
Which color is used on a tooth diagram to indicate work that has been completed?
Blue
Red
Green
Brown
Which part of the patient record contains a numbered diagram depicting the teeth?
Dental history
Medical history
Privacy form
Dental chart
The question, "How often do you brush or floss?" would be included in which portion of the patient record?
Medical history
Dental history
Consent form
Privacy form
The data for the clinical examination form is typically dictated by whom?
Patient
Dentist
Insurance company
Dental assistant
What should you not do when working with a patient with a hearing disability?
Remain where the patient can see your face
Speak slowly and distinctly
Write down questions or instructions on a note pad
Shout so the patient can better hear you
A small electrical machine that mixes dental materials is which of the following?
Central air compressor
Ultrasonic scaler
Amalgamator
Radiometer
Which instrument uses energy vibrations of 18,000 to 42,000 cycles per second to remove calculus and other deposits from teeth?
Sonic scaler
Ultrasonic scaler
High-volume evacuator
Air-water syringe
Which of the following should be completed first?
Cleaning and disinfecting surfaces in the treatment room
Escorting the patient to the treatment area
Reviewing the patient's medical history with the patient
Positioning the patient in the dental chair
Which dental instrument is used to remove material from caries, such as debris and carious material?
Hatchet
Hoe
Excavator
Chisel
What is the larger, more powerful suction device used to remove large amounts of liquid and debris from the mouth?
High-volume evacuator
Air-water syringe
Saliva ejector
Excavator
Which device is used to stretch and tightly hold the dental dam in place?
Dental dam punch
Dental dam template
Dental dam napkin
Dental dam frame
Which substance is typically used in combination with oxygen for inhalation sedation?
Halothane
Procaine HCl
Lidocaine
Nitrous oxide
X-ray operators should stand at least how far away from the x-ray unit to minimize exposure to radiation?
6 feet
3 feet
1 foot
12 feet
Which of the following is seen in a bitewing radiograph?
Whole tooth
The whole mandibular arch
Portions of both the upper and lower teeth together
The whole maxillary arch
Which occlusal technique yields large images of the maxillary or mandibular arch?
Lateral technique
Cross-sectional technique
Topographic technique
Parallel technique
What item is designed to reduce the amount of radiation a patient is exposed to during extraoral radiography?
Film cassette
Grid
Intensifying screen
Screen film
Which of the following is true of panoramic radiographs?
They are of higher quality than intraoral images
They provide a wide field of vision at relatively low radiation exposure
Patient positioning in the focal trough is not critical
They are less expensive than traditional x-ray units
Identifying landmarks and anomalies on a radiograph is which of the following?
Interpretation
Diagnosis
Development
Processing
What is an erosion?
An inflamed crater in the oral cavity with well-defined margins
Deep grooves or fissures in the tongue
A congenital condition in which the baby is born with teeth that rapidly fall out
A shallow wound with ragged margins that is often caused by friction
What is the difference between a pustule and a blister?
Blisters are larger, whereas pustules are very small
Blisters are filled with fluid, whereas pustules are filled with purulent material
Blisters are benign, whereas pustules are usually malignant
Blisters are very painful, whereas pustules are not painful
What is a macule?
A blood-filled sac under the oral mucosa
A small, elevated area of skin that varies in pigmentation and texture
An area or patch that is colored differently than surrounding tissue
A blister that contains blood
A neoplasm is
A newly erupted tooth.
A plasma-based growth from a bony organ.
A painful ulceration.
Newly formed tissue that serves no obvious purpose.
What condition is associated with Wickham striae?
Nodules
Oral cancers
Lichen planus
Candidiasis
How long will most minor canker sores last?
1 day
1 to 5 days
7 to 10 days
Longer than a month
A patient arrives in the office with swelling caused by a local infection of the streptococcus bacteria. What is the most likely diagnosis?
Cellulitis secondary to bacterial infection
Sepsis
Flesh-eating viral infection
Swelling, pain, and inflammation
Oral human papilloma virus infection causes
Intensely painful, bleeding blisters
Small plaques on the mucosa
Early tooth loss
Small warts in the oral cavity
Acute necrotizing ulcerative gingivitis affects which oral structures?
Tongue and palate
Gingiva and teeth
Lips and gingiva
Tongue only
Kaposi sarcoma usually appears as what?
Whitish, raised bumps on the tongue and cheeks
Ulcerative holes in the gingiva
Bluish or purple flat nodules on the palate
Reddish plaques on the tongue
What are erythroplakias?
White, furry growths on the gingiva and tongue
Red patches in the oral cavity that are commonly malignant
Grooves worn into the tooth enamel
Fissures in the gingiva
Define tori.
Bony outgrowths in the oral cavity
Soft tissue flaps in the gingiva
Hard, muscular lumps on the anterior of the tongue
None of the above
What is the common term for ankyloglossia?
Tongue tied
Trench mouth
Cleft palate
Cleft lip
Ankylosis is what?
Extra teeth in the oral cavity
A lack of teeth in the oral cavity
When the dentin of deciduous teeth fuses with the alveolar bone
A tooth within a tooth
A disease acquired in a medical setting is known as a/an
Health care professional infection.
Nosocomial infection.
Etiological infection.
Health care–related illness.
Anton Van Leeuwenhoek is best known for what?
Linking bacteria to specific diseases
Discovering the human immunodeficiency virus
Inventing the sterilization process
Observing microorganisms in a drop of rainwater
The Koch postulates help determine if
A bacteria is responsible for a particular disease.
A bacteria is anaerobic or aerobic.
A virus is responsible for a particular disease.
None of the above.
What are pathogens?
Another word for microorganisms
Simple aquatic plants
Microorganisms that cause disease
Dead white blood cells
An etiologic agent does what?
Prevents disease
Identifies a disease-causing organism
Causes disease
Divides rapidly when exposed to heat
What is the function of an endospore?
To multiply fungi
To protect certain bacteria when exposed to stress
To destroy viral material
To spread protozoan illnesses
Acquired immunity can be obtained through
Vaccination.
Diet and exercise.
Inheritance from mother’s side of family.
Hard work.
Gram-positive bacteria
Are thin-walled organisms.
Have no cell wall.
Live underground.
Are thick-walled organisms.
Staphylococci bacteria are what?
Cigar-shaped clusters
Round clusters
Round chains
Pairs of round bacteria
Which of the following diseases is caused by protozoa?
Acquired immune deficiency syndrome
Mumps
Malaria
Dysentery
What is a yeast?
Clumping fungi
Cluster of fuzzy bacteria
Plant
Fuzzy multibranching fungi
Dental health care providers should be vaccinated against
Influenza
Hepatitis B
Human immunodeficiency virus/acquired immune deficiency syndrome
A and B
What is a viroid?
Crystalline structure that grows in brain cells
Superlarge virus
Fragment of RNA with no protein coating
Genetically engineered virus
Methicillin-resistant Staphylococcus aureus is dangerous because it
Is fast replicating
Survives for long periods outside the human body
Is transmitted through mosquitoes
Is resistant to most common antibiotics.
A reservoir of infection is
A hospitable environment where a microbe can multiply.
A large group of microbes.
A liquid that contains living organisms.
A method of treating infection.
Infectious organisms can gain access into the body in which of the following ways?
Breaks in the skin
Mucous membranes
Inhalation
All of the above
According to standard precautions
All blood should be tested for human immunodeficiency virus/acquired immune deficiency syndrome and hepatitis.
Dental assistants should take extra precaution with sick patients.
All bodily fluids should be treated as contaminated.
Patients should be asked for their infection status before all procedures.
Masks
Do not need to be worn with face shields.
Should be replaced after every patient.
Should be replaced at the end of every day.
Can be worn around the neck when not in use.
Examination gloves
Should be washed thoroughly between patients.
Should never come into contact with many common chemicals.
Should never come into contact with anything outside the exam area.
b and c.
6. Latex allergies
Are becoming less common.
Are not dangerous.
Result from infrequent contact with poorly washed latex.
Range in severity from mild to life threatening.
According to the Bloodborne Pathogen Standard
Only blood should be considered contaminated.
Only visibly infected fluids are dangerous.
All bodily fluids should be considered infectious.
All blood should be tested for infectious organisms after exposure.
After an exposure to potentially contaminated blood
Employees must report it immediately.
Employers have to refer employees to a qualified health care professional for an examination.
The incident has to be documented.
All of the above.
A sterile object
Has no living organisms on it.
Has fewer living organisms on it.
Is freshly cleaned.
Cannot be contaminated.
A high-level disinfectant is one that
Sterilizes objects after short exposure.
Is commonly used to disinfect surfaces.
Kills most organisms.
Kills viruses.
An environmental recommendation is
Subject to fines if broken.
Not a law but a suggested practice.
Only authorized by the Occupational Safety and Health Administration.
None of the above.
An example of unregulated waste is
Used needles.
Amalgam waste.
Bloody gauze and pads used in an examination.
Disposable barriers.
Sharps include
Used needles.
Broken glass.
Burs.
All of the above.
Which agency regulates waste once it leaves the dental office?
Occupational Safety and Health Administration
Centers for Disease Control and Prevention
Environmental Protection Agency
American Dental Association
Which is an example of chronic toxicity?
Exposure to fumes over time that cause lung cancer
Spilling fixer on your hand and burning your skin
Mercury spills that release clouds of mercury vapor
Fainting after exposure to a chemical spill
What does the material safety data sheet describe?
Federal regulations for handling materials
A chemical’s properties and safety data
Local regulations for handling materials
None of the above
Material safety data sheets should be on file for
Only chemicals with high toxicity.
Only chemicals with a pH above 9 or below 5.
Only chemicals that are federally regulated.
All chemicals used in the office.
The blue diamond on the National Fire Protection Association label indicates what?
Flammability
Health hazard
Instability
Reactivity
The recommended route of administration for the drug nitrous oxide is
Oral.
Transdermal.
Inhalation.
Intramuscular.
Codeine is sometimes dispensed combined with any of several other drugs to produce a greater pain-reducing effect than can be obtained by taking either in isolation. This is an example of which of the following?
Synergistic effect
Side effect
Sublingual administration
Anaphylactic reaction
Which medical professionals are allowed to prescribe medication to patients?
Physicians, dentists, nurse practitioners, and physician assistants
Physicians, dentists, dental hygienists, and dental assistants
Physicians, dentists, and dental hygienists
Physicians and dentists
Which of the following is not a route of drug administration?
Oral
Transdermal
Sublingual
Gastrointestinal
Smoking causes many cases of heart disease by
Interfering with the body's ability to properly oxygenate the blood.
Allowing nicotine to collect in the tissues of the heart.
Causing shortness of breath (dyspnea) that results in lack of exercise.
All of the above.
To which of the following categories does the commonly prescribed drug codeine belong?
Narcotic
Opiate
Anaphylaxis, a systemic allergic reaction, is dangerous because
Its effects are not detectable.
It appears in a patient the first time a drug is used.
It causes airways to constrict, restricting breathing.
It causes hepatic hemorrhage.
Of the common types of drugs dentists are most likely to use or prescribe:
Anticonvulsants, painkillers, and beta-blocking agents
Antifungal agents, nitrates, and antihypertensives
Inflammatory drugs, sedatives, and cholinergic agents
Anesthetics, analgesics, antibiotics, and nonsteroidal anti-inflammatories
Which antibiotic is dispensed as a mouth rinse and used in dentistry to treat plaque and gingivitis?
Lysergic acid diethylamide
Diazepam
Chlorhexidine
Acyclovir
Infective endocarditis, an inflammation of the lining of the heart, is a concern in dentistry because:
It may interfere with the administration of nitrous oxide and other anesthetics
Certain patients may be predisposed to developing it following dental procedures.
It can cause airways to constrict and cause respiratory distress.
It is complicated by the synergistic effects of drugs.
Which of these is not considered a vital sign?
Temperature
Weight
Blood Pressure
Respiration
What is the average normal oral temperature for an adult?
97.0°F
98.6°F
96.8°F
96.7°F
